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In the design of conventional motors that are generally used in home appliances, the basic design parameters are determined by experience. However, in hybrid electric vehicle (HEV) applications, considering the severe environmental conditions they may be exposed to, these design parameters may not be appropriate. In this study, four different parameters involved in motor design were optimized to improve...
This paper proposes a novel method of maximum power operation for permanent magnet synchronous motors in a direct torque control system. Torque limiting satisfying current limiting is based on the power equation instead of the motor model in the rotating d-q frame, which is synchronized to the rotor magnet. This method of torque limiting does not require the motor parameters to be determined and simplifies...
This paper proposes a high-powered control of sensorless PMSM drive by applying a square-wave operation at high-speed. The sensorless control is based on the estimation of an extended electromotive force (EMF) in the rotating reference frame, and the sensorless control is applied not only in the current vector control region by the PWM control of the inverter but also in the square-wave operating...
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